6131980 has 24 divisors (see below), whose sum is σ = 13043520. Its totient is φ = 2421120.

The previous prime is 6131977. The next prime is 6131981. The reversal of 6131980 is 891316.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (543480).

Almost surely, 2^6131980 is an apocalyptic number.

It is an amenable number.

6131980 is an abundant number, since it is smaller than the sum of its proper divisors (6911540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6131980 is a wasteful number, since it uses less digits than its factorization.

6131980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 6131980 is about 2476.2835055785. The cubic root of 6131980 is about 183.0347610318.

It can be divided in two parts, 61 and 31980, that added together give a square (32041 = 179²).

The spelling of 6131980 in words is "six million, one hundred thirty-one thousand, nine hundred eighty".